The combined market capitalization of Amazon, Apple, Facebook, and Google is now equivalent to the GDP of India.

How did these four companies come to infiltrate our lives so completely? In a spectacular rant, Scott Galloway shares insights and eye-opening stats about their dominance and motivation -- and what happens when a society prizes shareholder value over everything else.

A TED Talk from Scott Galloway followed by a Q&A with TED Curator Chris Anderson.